Home / 831,878.60-1,245,485.10-808,550.60

Finding the Fourth Proportional to 831,878.60, 1,245,485.10 and 808,550.60

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Solution

The fourth proportional to 831,878.60, 1,245,485.10 and 808,550.60 is: 1,210,558.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,878.60 : 1,245,485.10 = 808,550.60 : x
  2. Step 2: Convert to fraction form
    831,878.60/1,245,485.10 = 808,550.60/x
  3. Step 3: Cross multiply
    831,878.60x = 1,245,485.10 × 808,550.60
  4. Step 4: Simplify right side
    831,878.60x = 1,007,037,724,896.06
  5. Step 5: Solve for x
    x = 1,007,037,724,896.06/831,878.60
  6. Step 6: Final answer
    x = 1,210,558.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.